assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(bus), -ECHILD);
assert_return(!(flags & ~(SD_BUS_NAME_ALLOW_REPLACEMENT|SD_BUS_NAME_REPLACE_EXISTING|SD_BUS_NAME_QUEUE)), -EINVAL);
assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(bus), -ECHILD);
assert_return(!(flags & ~(SD_BUS_NAME_ALLOW_REPLACEMENT|SD_BUS_NAME_REPLACE_EXISTING|SD_BUS_NAME_QUEUE)), -EINVAL);